Home / 9,708.62-14,562.93-2,783.12

Finding the Fourth Proportional to 9,708.62, 14,562.93 and 2,783.12

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Solution

The fourth proportional to 9,708.62, 14,562.93 and 2,783.12 is: 4,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.62 : 14,562.93 = 2,783.12 : x
  2. Step 2: Convert to fraction form
    9,708.62/14,562.93 = 2,783.12/x
  3. Step 3: Cross multiply
    9,708.62x = 14,562.93 × 2,783.12
  4. Step 4: Simplify right side
    9,708.62x = 40,530,381.74
  5. Step 5: Solve for x
    x = 40,530,381.74/9,708.62
  6. Step 6: Final answer
    x = 4,174.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.